[git Patch] UML: a build error fix

[WANG Cong]

This patch fixed this error:

arch/um/kernel/skas/syscall.c: In function 'handle_syscall':
arch/um/kernel/skas/syscall.c:33: error: 'NR_syscalls' undeclared (first use in this function)
arch/um/kernel/skas/syscall.c:33: error: (Each undeclared identifier is reported only once
arch/um/kernel/skas/syscall.c:33: error: for each function it appears in.)
make[2]: *** [arch/um/kernel/skas/syscall.o] Error 1
make[1]: *** [arch/um/kernel/skas] Error 2
make: *** [arch/um/kernel] Error 2


Cc: Jeff Dike <jdike@xxxxxxxxxx>
Signed-off-by: WANG Cong <xiyou.wangcong@xxxxxxxxx>

---

diff --git a/arch/um/include/sysdep-i386/kernel-offsets.h b/arch/um/include/sysdep-i386/kernel-offsets.h
index 5868526..da820d2 100644
--- a/arch/um/include/sysdep-i386/kernel-offsets.h
+++ b/arch/um/include/sysdep-i386/kernel-offsets.h
@@ -15,7 +15,11 @@
 #define OFFSET(sym, str, mem) \
 	DEFINE(sym, offsetof(struct str, mem));
 
+static char syscalls[] = {
+#include <asm/arch/unistd.h>
+};
 void foo(void)
 {
 #include <common-offsets.h>
+DEFINE(UM_NR_syscall_max, sizeof(syscalls) - 1);
 }
diff --git a/arch/um/include/sysdep-i386/syscalls.h b/arch/um/include/sysdep-i386/syscalls.h
index 57bd79e..fb1fd94 100644
--- a/arch/um/include/sysdep-i386/syscalls.h
+++ b/arch/um/include/sysdep-i386/syscalls.h
@@ -5,6 +5,7 @@
 
 #include "asm/unistd.h"
 #include "sysdep/ptrace.h"
+#include "kern_constants.h"
 
 typedef long syscall_handler_t(struct pt_regs);
 
@@ -23,3 +24,6 @@ extern syscall_handler_t *sys_call_table[];
 extern long sys_mmap2(unsigned long addr, unsigned long len,
 		      unsigned long prot, unsigned long flags,
 		      unsigned long fd, unsigned long pgoff);
+
+#define NR_syscalls (UM_NR_syscall_max + 1)
+
--
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